{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["vehicle", "person", "geographical phenomenon", "time", "organization", "event"], "input": "In a three-week period in February 1978 , wolves were responsible for the killing of numerous seals near Astrakhan ."}
{"vehicle": [], "person": [], "geographical phenomenon": [], "time": [], "organization": [], "event": []}